1 files changed, 30 insertions, 0 deletions
diff --git a/internal/transporthealth/monitor_test.go b/internal/transporthealth/monitor_test.go
new file mode 100644
index 0000000..c5eb98d
--- /dev/null
+++ b/internal/transporthealth/monitor_test.go
@@ -0,0 +1,30 @@
+package transporthealth
+
+import (
+	"context"
+	"errors"
+	"testing"
+	"time"
+)
+
+type checkerFunc func(context.Context) error
+
+func (f checkerFunc) Check(ctx context.Context) error {
+	return f(ctx)
+}
+
+func TestProbeTracksReadiness(t *testing.T) {
+	var checkErr error
+	monitor := New(checkerFunc(func(context.Context) error { return checkErr }), time.Minute, time.Second)
+
+	monitor.Probe(context.Background())
+	if !monitor.Ready() {
+		t.Fatal("successful probe did not mark transport ready")
+	}
+
+	checkErr = errors.New("transport unavailable")
+	monitor.Probe(context.Background())
+	if monitor.Ready() {
+		t.Fatal("failed probe left transport ready")
+	}
+}